Seedlings grown from Cosmic Crisp apples purchased at the local grocery store. These aren't the variety Cosmic Crisp, they are the offspring of Cosmic Crisp.
Adam's Apples: Cosmic Crisp vs Honeycrisp smackdown
1st year seedling, 1 to 2 feet tall, bare root.
Photo credit: Bri, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons